Optical communications – Optical repeater system
Reexamination Certificate
2006-06-27
2006-06-27
Vanderpuye, Kenneth (Department: 2633)
Optical communications
Optical repeater system
C398S037000, C398S028000, C398S177000, C385S024000
Reexamination Certificate
active
07068945
ABSTRACT:
A method includes taking backscattering light of a first wavelength in a first direction of a first transmission line and coupling the same so that the light may travel in a second direction of a second transmission line; taking a second wavelength in the first direction of the first transmission line and coupling the same so that the second wavelength may travel in the first direction of the second transmission line; taking backscattering light of the first wavelength in the second direction of the second transmission line and coupling the same so that the backscattering light may travel in the first direction of the first transmission line; taking the second wavelength in the second direction of the second transmission line and coupling the same so that the second wavelength may travel in the second direction of the first transmission line.
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Shigeyuki Akiba, et al., “Submarine Cable Network Systems”, pp. 158-162.
Ogiwara Hiroshi
Ota Kenji
Malkowski Ken
Vanderpuye Kenneth
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